Portable telephone



FIG. 1. is a top front perspective view of a portable telephone showing our new design.

FIG. 2. is a front elevational view thereof.

FIG. 3. is a rear elevational view thereof.

FIG. 4. is a left side elevational view thereof.

FIG. 5. is a right side elevational view thereof.

FIG. 6. is a top plan view thereof; and,

FIG. 7. is a bottom plan view thereof. 

The ornamental design for a portable telephone, as shown and described. 